Fuck, I wanted ls -lah

tests/rules/test_ls_lah.py

@@ -0,0 +1,13 @@
+from mock import patch, Mock
+from thefuck.rules.ls_lah import match, get_new_command
+
+
+def test_match():
+        assert match(Mock(script='ls file.py'), None)
+        assert match(Mock(script='ls /opt'), None)
+        assert not match(Mock(script='ls -lah /opt'), None)
+
+
+def test_get_new_command():
+        assert get_new_command( Mock(script='ls file.py'), None) == 'ls -lah file.py'
+        assert get_new_command( Mock(script='ls'), None) == 'ls -lah'

thefuck/rules/ls_lah.py

@@ -0,0 +1,7 @@
+def match(command, settings):
+    return ('ls' in command.script and not ('ls -' in command.script))
+
+def get_new_command(command, settings):
+    command = command.script.split(' ')
+    command[0] = 'ls -lah'
+    return ' '.join(command)